Last modified by Karry Zhuang on 2024/07/11 11:58
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From version < 57.7 >
edited by Xiaoling
on 2022/07/14 09:20
To version < 57.10 >
edited by Xiaoling
on 2022/07/14 09:35
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1 1  (% class="wikigeneratedid" %)
2 - ** Table of** **Contents:**
2 +*
3 +** Table of** **Contents:
3 3  
4 4  {{toc/}}
5 5  
... ... @@ -36,9 +36,6 @@
36 36  * [[Configure Manual>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : Explanation on how to integrate to Node-red and to the Mobile Phone, and with link to the Github code.
37 37  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
38 38  
39 -
40 -
41 -
42 42  == **1.2 Example 2: Connect to Pulse Counter** ==
43 43  
44 44  
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59 59  * Configure Document: [[Pickdata MIO40 water pulse counter to LoRa with Dragino RS485-LN>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Pulse-Counter/]]
60 60  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
61 61  
62 -
63 -
64 -
65 65  == **1.3 Example3: Use RS485-LN with energy meters** ==
66 66  
67 67  === **1.3.1 OverView** ===
68 68  
64 +
69 69  (((
70 -**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
66 +(% style="color:red" %)**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
71 71  )))
72 72  
73 73  (((
... ... @@ -81,7 +81,9 @@
81 81  
82 82  
83 83  (((
84 -How to connect with Energy Meter：
80 +**How to connect with Energy Meter：**
81 +
82 +
85 85  )))
86 86  
87 87  (((
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117 117  
118 118  === **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
119 119  
118 +
120 120  If the user needs to read the parameters of the electric energy meter and use the modbus command,please refer to the appendix of the MODBUS communication protocol in the user manual of the energy meter.
121 121  
122 122  [[image:image-20220601143257-10.png]]
123 123  
124 124  
125 -(% class="box infomessage" %)
126 -(((
127 -**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
128 -)))
124 +(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
129 129  
130 130  * The first byte : slave address code (=001～247)
131 131  * The second byte : read register value function code
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134 134  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
135 135  
136 136  (((
133 +
134 +
135 +
137 137  How to parse the reading of the return command of the parameter：
138 -)))
139 139  
140 -(% class="box infomessage" %)
141 -(((
142 -**Example:** RETURN1：01 03 02 08 FD 7E 05
138 +(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
143 143  )))
144 144  
145 145  * The first byte ARD: slave address code (=001～254)
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152 152  (% class="wikigeneratedid" %)
153 153  (((
154 154  
151 +
152 +
153 +
155 155  )))
156 156  
157 157  === **1.3.3 How to configure RS485-LN and parse output commands** ===
158 158  
158 +
159 159  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
160 160  
161 161  
162 -==== **1.3.3.1 via AT COMMAND:** ====
162 +==== **1.3.3.1 via AT COMMAND** ====
163 163  
164 -First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
165 165  
165 +First, we can use (% style="color:blue" %)**AT+CFGDEV**(%%) to get the return value, and we can also judge whether the input parameters are correct.
166 +
166 166  (((
167 167  If the configured parameters and commands are incorrect, the return value is not obtained.
168 168  )))
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174 174  
175 175  (% class="box infomessage" %)
176 176  (((
177 - AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
178 + **AT+DATACUTx **:  This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
178 178  )))
179 179  
180 180  a:  length for the return of AT+COMMAND
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211 211  )))
212 212  
213 213  (((
214 -(% style="color:#4f81bd" %)**Example**:
215 +(% style="color:blue" %)**Example**:
215 215  
216 -CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
217 +CMD1: Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
217 217  )))
218 218  
219 219  (((
220 -RETURN1:01 03 02 00 02 39 85 00 00(return data)
221 +RETURN1: 01 03 02 00 02 39 85 00 00(return data)
221 221  )))
222 222  
223 223  (((
224 -AT+DATACUT1:9,1,4+5+6+7 Take the return value 00 02 39 85 as the valid value of reading current data and used to splice payload.
225 +AT+DATACUT1: 9,1,4+5+6+7 Take the return value 00 02 39 85 as the valid value of reading current data and used to splice payload.
225 225  
226 226  
227 227  )))
228 228  
229 229  (((
230 -CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
231 +CMD2: Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1
231 231  )))
232 232  
233 233  (((
234 -RETURN2:01 03 02 08 DC BE 1D(return data)
235 +RETURN2: 01 03 02 08 DC BE 1D(return data)
235 235  )))
236 236  
237 237  (((
238 -AT+DATACUT2:7,1,4+5 Take the return value 08 DC as the valid value of reading voltage data and used to splice payload.
239 +AT+DATACUT2: 7,1,4+5 Take the return value 08 DC as the valid value of reading voltage data and used to splice payload.
239 239  
240 240  
241 241  )))
242 242  
243 243  (((
244 -CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
245 +CMD3: Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
245 245  )))
246 246  
247 247  (((
248 -RETURN3:01 03 04 00 00 00 44 FA 00(return data)
249 +RETURN3: 01 03 04 00 00 00 44 FA 00(return data)
249 249  )))
250 250  
251 251  (((
252 -AT+DATACUT3:9,1,4+5+6+7 Take the return value 00 00 00 44 as the valid value of reading total active energy data and used to splice payload.
253 +AT+DATACUT3: 9,1,4+5+6+7 Take the return value 00 00 00 44 as the valid value of reading total active energy data and used to splice payload.
253 253  )))
254 254  
255 255  (((
256 -Payload:01 00 02 39 85 08 DC 00 00 00 44
257 +Payload: 01 00 02 39 85 08 DC 00 00 00 44
257 257  )))
258 258  
259 259  [[image:image-20220601142936-6.png]]
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264 264  (% style="color:#4f81bd" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.**
265 265  
266 266  
267 -
268 268  [[image:image-20220601143642-2.png]]
269 269  
270 270  AT COMMAND
... ... @@ -272,6 +272,7 @@
272 272  
273 273  ==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
274 274  
275 +
275 275  [[image:image-20220527093358-15.png]]
276 276  
277 277  (((
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494 494  * 08 DF is the valid value of the meter with device address 02.
495 495  * 43 62 is the valid value of the meter with device address 01.
496 496  
497 -
498 498  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
499 499  
500 500  This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-LN to connect to SCHNEIDER SMART and Monitor and control your cabinet remotely with no wires and with Dragino RS485-LN LoRaWAN technology. The structure is like below:

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